In a surprise finish to months of battle, the University of California prevailed yesterday in its bid to run Los Alamos National Laboratory, the storied weapons research center in the mountains of New Mexico and the birthplace of the atomic bomb. The university teamed with the Bechtel Corporation, the world's largest construction and engineering company, and two other industrial giants to win the contract. It is the first time the laboratory's management has been put up for bidding. Federal officials announced the winner in Washington yesterday. Most analysts expected that the contract would be wrenched away from the University of...